Is smoking with PERLIO=stdio still useful?

See $title. I was under the impression that this is a no-op?

Background: I'm poking at Test::Smoke due to android, and noticed that
there is no way of disabling stdio smokes, which means smoking time
gets doubled.

• Is smoking with PERLIO=stdio still useful? by Brian Fraser
• Re: Is smoking with PERLIO=stdio still useful? by Craig A. Berry